I think both you and Barrogh have misunderstood the OP, just as much you misunderstood me, with all due respect. Of course it has to do with how fighting games in general are a lot harder to learn then other genres, I'm not a rookie you know, but what the OP said is clearly not about the game's elements but instead the behavior of his online opponents that he happened to run into. Of course that the fact that FG's are harder to learn and master in general has something to be associated with, but not only it doesn't relate to only one game or a select few, you can find people that behave like that in any game, just like you can find them in any social media platform. The real problem here is the anonymity of these people. If they would've face the OP in a local match, I can assure you that even if they would've get salty (which is understandable) they would've behave in a much more mature way, because they know they can't behave the same way they can behave online without having social repercussions to it.
Also regarding strategies, your whole statement is just wrong in it's core. I was talking about GENERAL STRATEGIES, and none of those are required low skill in order to reach their full potential, even if the char is easy to use. Your example about Deadshot is just wrong, because the only reason that strategy happen too be to easy to implemented with Deadshot in particular is because that Deadshot, like you said by yourself, was too easy to abuse at that time due to Deadshot's particular tools being too strong. Of course that can be char-specific strategies, but the GENERAL STRATEGY of Zoning and keepaway and frustrating the opponent to no end does require skill and work, no matter how easy it is seen from the opponent's POV. All you're doing here is just mixing up between general strategies and char's specific tools and that is just wrong. And even about Deadshot specifically, I for one already found ways with how to deal with Deadshot one the first week that Sub-Zero was out as DLC, in which Deadshot was still powerful before the nerfs he got, and I already managed to deal with Deadshots online. Not to mention that you said by yourself "there is a difference between playing above average Deadshot and full potential Deadshot". If that Deadshot player is above-average, that means he had to put at least SOME WORK into his gameplan, which means he would've had a decent amount of skill, unlike a below-average Deadshot who had to put minimal amount of work in which can then, and only then, he might have only very low skill.
I never said that MKX is perfect nor I said that IJ2 is a bad game. Hell I praised IJ2 a tone, DO NOT PUT INTO MY MOUTH. Every fighting game can make you angry by losing int it as I said and even
@Cursa said, all of those stuff you said can be easily said about IJ2 for the Zoning and the long stages in it yet that would be false as well for the same reasons. In fact, YOU ARE THE ONE who tries to trash MKX almost all the time, I've seen it a several other threads in addition to this one. Well let me tell you something pal, Mixing and Setplay are indeed legit strategies, even if them are easier to implement in some games, they are still legit, just like in IJ2, it is a lot easier to implement Zoning and footsies, if you can't deal with any of those stuff, that's on you. So yes, if you get panic by the Mixing and Setplay, that means that the opponent has managed to get into you, just like he can make you panic by raw Rushdown, Knockdown and other stuff, or even Zoning that yes, also still is in MKX. If you got panicked, that's on you. MK in general is a lot more offense based then other franchises, and MK3, UMK3, MKT, MK4 and MKG also were more offense based as they had the Run mechanic too, and if you think that MKX's offense is too much, you probably never played DBFZ or any of the MVC games.
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I think that ultimately, all of you guys ran out of the OP's question about the THE PLAYERS AND THE COMMUNITY, and turned that into yet another discussion about the game's mechanics and elements. Like I said earlier, that can be related to that too, but ultimately, it's about the online and how people wanna use it. Period.